The Montagne de Dun

A walk through a key site in the history of southern Brionnais, with varied panoramic views towards the Morvan to the north, the Monts de la Madeleine to the west, and the entire Beaujolais Massif to the south.
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Details

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  • Walking
    Activity: Walking
  • ↔
    Distance: 6.78 mi
  • ◔
    Average duration: 4h 15 
  • ▲
    Difficulty: Moderate

  • ⚐
    Back to start: Yes
  • ↗
    Ascent: + 1,339 ft
  • ↘
    Descent: - 1,332 ft

  • ▲
    Highest point: 2,359 ft
  • ▼
    Lowest point: 1,342 ft

Photos

Description of the walk

Park in the car park in the village of Mussy-sous-Dun, which is located after the railway line on the right.

(S/E) Turn right towards the church. Go round the building by turning left and continue to a T-junction.

(1) Leave the tarmac and follow a steep path heading due north. After 300m, take a short detour to the left to admire the statue of the Madonna standing amongst the fir trees to the south-west.

(2) Turn back and continue the climb towards the junction at the 494m mark.

(3) Turn right onto the ridge, then left towards L’Aye, arriving at a junction (altitude 550m).

(4) Continue left, heading north then west, and enter the forest. Keep heading in this direction and reach the crossroads before the hamlet of Le Ry (view of the houses).

(5) At the T-junction, head north up the path on the right. Near the 614m mark, turn right (south-southeast) onto the ridge path. Ignore two turn-offs on the right and head towards Dunet.

(6) Turn left onto the tarmac road. Walk alongside the pond on the left and head for Borcelle du Haut (altitude 590m) by turning right.

(7) At the junction, turn right (north), walking behind the house and through the forest to reach Pierre-qui-Vire.

(8) Turn right into the Douglas fir forest (the entire southern section of which was felled in December 2017). Reach a fork in the hazel trees (altitude 690m).

(9) Turn left then right to visit Montagne de Dun (710m), with the Chapelle de Dun situated in the commune of Saint-Racho. You can also continue to the right then turn left to reach the summit.

(10) This former fortress, now in ruins, was the scene of epic battles. Take a moment to look at the two information boards before beginning the descent.

Turn right onto the fairly steep tarmac road (elevation 690m), heading south, and reach the Dunet crossroads.

(6) Head down towards the east (to the left) for about 300m to reach the forest track.

(11) Turn right onto it to reach the hamlet of L'Aye, which you passed through earlier.

(4) Go straight on to follow the route of the outward journey to the junction at elevation 494.

(3) Leave the outward route on your left and turn right. Then turn left to reach Les Mathys and the first junction.

(1) Complete the route by following the outward route back to the car park (S/E).

Waypoints

  1. S/E : mi 0 - alt. 1,342 ft - Mussy car park
  2. 1 : mi 0.28 - alt. 1,440 ft - T-junction, turn right
  3. 2 : mi 0.5 - alt. 1,585 ft - Statue of the Madonna
  4. 3 : mi 0.65 - alt. 1,617 ft - Marker 494, on the right
  5. 4 : mi 1.12 - alt. 1,814 ft - L'Aye, on the left
  6. 5 : mi 1.64 - alt. 1,729 ft - Le Ry, on the right
  7. 6 : mi 2.88 - alt. 1,932 ft - Dunet, on the left
  8. 7 : mi 3.38 - alt. 1,909 ft - La Borcelle "du Bas", on the right
  9. 8 : mi 3.73 - alt. 2,096 ft - Marker 641, on the right
  10. 9 : mi 4.05 - alt. 2,293 ft - Crossroads of hazel trees, on the left
  11. 10 : mi 4.15 - alt. 2,352 ft - Mount Dun
  12. 11 : mi 5.08 - alt. 1,880 ft - Forest path, on the right
  13. S/E : mi 6.78 - alt. 1,342 ft - Mussy car park

Notes

1. Preparing for the hike:
- Check Visorando
- Stop by the Chauffailles Tourist Office.

Drinking water points: at the Chapelle de Dun (x2) plus toilets.

Equipment = walking boots with treaded soles.
Rucksack, water bottles, packed lunch, cutlery, jacket, hat, sunglasses, mobile phone (112), camera, binoculars, Visorando route, IGN maps.
First-aid kit.

Clothing: the weather will determine everything!

Thunderstorms = lightning strikes mainly at high points, so do not head up towards Dun in the event of a storm. The chapel has already been struck by lightning!

Bear in mind that the wind can make the cold feel worse, but in summer, what a pleasure it is to find cool air up on the north-facing slopes.

NB: this applies throughout France... ticks are carriers of Lyme disease, a condition with many forms that is often misdiagnosed.
Recommendation = wear long trousers for safety and check for the presence of these unwanted guests at the end of your walk.

Worth a visit

(9) Out of curiosity, look for the statue of the big cat (150m west of the chapel), as the second statue has been stolen.
Visit the Arboretum.
A slight variation on the outward route: head for the 454-metre mark to bypass ‘Les Mathys’ to the west.

Safety: you’re never far from a tarmac road for a quick return.

Stunning panoramic views.

The Mussy-sous-Dun railway viaduct, built of cut stone, is a technical feat.
Magnificent sports and play areas by the River Mussy (car park).

The Druids: The Turning Stone.

The fortress of Dun and its history.

The chapel, which can be visited in the summer afternoons thanks to volunteers.

The tales and legends of the Mountain.

Can you spot the statue of the ‘lion’ or the ‘tiger’?

A landscape of hedgerows, home to ‘white’ cows – always mothers with their calves.
Do not cross the natural hedges or barbed wire fences.

Forestry: Douglas fir is ubiquitous on steep slopes.
Cyclical felling (every 40 to 50 years) explains why maps can sometimes be out of date.

Blackberries, which are very vigorous, grow in the hedgerows.

Things not to do:
Vandalise, pollute or damage the summit area with 4x4s, quads and motocross/enduro bikes...
Access restricted to disabled visitors (the barrier marks the boundary of the site).

Reviews and comments

4.2 / 5
Based on 6 reviews

Reliability of the description
3.7 / 5
Ease of following the route
4.2 / 5
Route interest
4.8 / 5
gerardpierre
gerardpierre

Overall rating : 4.3 / 5

Date of your route : Nov 09, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good
Very busy route : No

A very pleasant walk, but best avoided in summer as there isn’t much shade. Beyond Ayé (point 4), a large-scale deforestation project has been undertaken.
The chapel at Dun is very pretty. It will be open from 22 May in the afternoons. There are tables and benches there. Beautiful scenery
Just a quick note: the route could do with a few more signposts.
No problem with parking in Mussy-sur-Dun as the car park just past the level crossing is very large.

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chguilleminot
chguilleminot

Overall rating : 4.7 / 5

Date of your route : Mar 21, 2021
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good
Very busy route : No

Lots of views, and good weather to boot

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La_Buche
La_Buche

Overall rating : 4.3 / 5

Date of your route : Apr 22, 2019
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

A lovely, easy walk, ideal for families

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zerecham
zerecham

Overall rating : 4 / 5

Date of your route : May 10, 2018
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★★☆ Good
Route interest : ★★★★★ Very good

The weather was overcast, and there was a cold wind blowing the whole way up, yet we still enjoyed the scenery, the countryside, the buildings, the viaduct and some friendly encounters.
On days 9 and 10, it took us a while to realise it was the same place.
Otherwise, I’d recommend this hike; it’s interesting even in bad weather, so in good weather it must be a real treat.

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AscleKef
AscleKef

Overall rating : 4.7 / 5

Date of your route : May 11, 2018
Reliability of the description : ★★★★☆ Good
Ease of following the route : ★★★★★ Very good
Route interest : ★★★★★ Very good

A lovely walk with a route that I thought was excellent: the route avoids tarmac roads as much as possible and offers a wealth of views over the Beaujolais, Brionnais and Charolais regions.
I found the descriptions perfectly adequate; it just took me a while to realise that the description for point 7 actually referred to the hamlet of Borcelle mentioned in point 6.
It’s worth noting that the route doesn’t always follow the yellow markings, so it’s best to stay alert to avoid being misled.

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bibi
bibi ★

Thank you for this information, which I have just added to the description.
Kind regards

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la roche pilee
la roche pilee

Overall rating : 3.3 / 5

Date of your route : Apr 22, 2018
Reliability of the description : ★★★☆☆ Average
Ease of following the route : ★★★☆☆ Average
Route interest : ★★★★☆ Good

Beautiful scenery in the Brionnais region. And a lovely Romanesque chapel
The directions aren’t clear enough.
At point 4, we never turned right as we never saw the hamlet of Le Ry or altitude 614. So we ended up in Dreuillien and had to retrace our steps for about 2 km there and back...
At point 7, please specify clearly: at the cross, turn right, walking along the back of the house
Few people on the route except at the viewpoint by the chapel (picnic tables).
Do not always rely on the yellow markings on the hiking trails

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